C# 如何在C中计算数组中JSON元素的数量#

C# 如何在C中计算数组中JSON元素的数量#,c#,arrays,json,json-deserialization,C#,Arrays,Json,Json Deserialization,我正在使用instagram API,当我收到带有此模板标签的最新媒体时: {hashtag}/media/recent 我收到的数据如下: { "pagination": { "next_max_tag_id": "any_number", "deprecation_warning": "next_max_id and min_id are deprecated for this endpoint; use min_tag_id and max_tag_id instead

我正在使用instagram API,当我收到带有此模板标签的最新媒体时: {hashtag}/media/recent 我收到的数据如下:

{
  "pagination": {
    "next_max_tag_id": "any_number",
    "deprecation_warning": "next_max_id and min_id are deprecated for this endpoint; use min_tag_id and max_tag_id instead",
    "next_max_id": "any_number",
    "next_min_id": "any_number",
    "min_tag_id": "any_number",
    "next_url": "https://api.instagram.com/v1/tags/{hashtag}/media/recent?access_token={my_personal_access-token}"
  },
  "meta": {
    "code": 200
  },
  "data": [
    {
      "attribution": null,
      "tags": [
        "any_tag",
        "any_tag1",
        "any_tag2",
        "any_tag3"
      ],
      "type": "image",
      "location": null,
      "comments": {
        "count": 0,
        "data": []
      },
      "filter": "Normal",
      "created_time": "any_number",
      "link": "any_url",
      "likes": {
        "count": 0,
        "data": []
      },
      "images": {
        "low_resolution": {
          "url": "any_url",
          "width": 320,
          "height": 320
        },
        "thumbnail": {
          "url": "any_url",
          "width": 150,
          "height": 150
        },
        "standard_resolution": {
          "url": "any_url",
          "width": 640,
          "height": 640
        }
      },
      "users_in_photo": [],
      "caption": {
        "created_time": "any_number",
        "text": "any_content",
        "from": {
          "username": "any_username",
          "profile_picture": "any_url",
          "id": "any_number",
          "full_name": "any_full_name"
        },
        "id": "any_number"
      },
      "user_has_liked": false,
      "id": "any_number",
      "user": {
        "username": "any_username",
        "profile_picture": "any_url",
        "id": "any_number",
        "full_name": "any_full_name"
      }
    },

等等 正如您所看到的,对象“data”是一个数组,我们还可以看到对象“tags”,它也是数组。如何检查C#中数组的数字元素数组?我试着这样做:

JArray items = (JArray)jsonData["data[0].tags"];
            int length = items.Count;
dynamic jsonData = JsonConvert.DeserializeObject<dynamic>(JSON_string);
但它不起作用。我像这样解析JSON:

JArray items = (JArray)jsonData["data[0].tags"];
            int length = items.Count;
dynamic jsonData = JsonConvert.DeserializeObject<dynamic>(JSON_string);
动态jsonData=JsonConvert.DeserializeObject(JSON_字符串);
Define“不起作用”我捕捉到一个异常:“对象引用未设置为对象的实例。”Define“不起作用”我捕捉到一个异常:“对象引用未设置为对象的实例。”@mati199537没问题!我添加了一种更简单的方法,使用JsonPath@mati199537没问题!我添加了一种更简单的方法,使用JsonPath